Home / 938,643.08-1,295,319.62-530,824.98

Finding the Fourth Proportional to 938,643.08, 1,295,319.62 and 530,824.98

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Solution

The fourth proportional to 938,643.08, 1,295,319.62 and 530,824.98 is: 732,534.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,643.08 : 1,295,319.62 = 530,824.98 : x
  2. Step 2: Convert to fraction form
    938,643.08/1,295,319.62 = 530,824.98/x
  3. Step 3: Cross multiply
    938,643.08x = 1,295,319.62 × 530,824.98
  4. Step 4: Simplify right side
    938,643.08x = 687,588,012,707.17
  5. Step 5: Solve for x
    x = 687,588,012,707.17/938,643.08
  6. Step 6: Final answer
    x = 732,534.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.